Housing for a two-way ultrasonic ceiling sensor



FIG. 1 is a front elevational view of the housing for a two-way ultrasonic ceiling sensor showing our new design;

FIG. 2 is a bottom plan view thereon;

FIG. 3 is a top plan view thereof; and,

FIG. 4 is an end elevational view thereof, the opposite end being a mirror image. 

The ornamental design for a housing for a two-way ultrasonic ceiling sensor, as shown and described. 